I need to cut some timing belt pulleys. I have a fourth axis and an R8 spindle but also have the Tormach tooling system. I need a recommendation for a shell mill arbor and mills to cut the teeth on the pulleys. The pitch is .2 if that matters. Can I get away with import tooling on this or am I going to regret it?
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03-16-2006, 07:03 PM #1
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Recommendation for Shell arbor and mill
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03-17-2006, 06:07 AM #2
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Okay...color me confused....you're going to use a shell mill arbor to cut the teeth on the pulley....Oh, I get it...you have a fourth axis......yes you can get by with import tooling.....do I assume you also have an indexer??
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03-17-2006, 07:02 AM #3
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I cut my pulleys with a hand ground 1/4" toolbit in a homemade 90deg flycutter. Not sure how you plan to use a shell mill to cut them... maybe you're thinking of sidecutting milling cutters?
Tiger
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03-17-2006, 12:32 PM #4
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ViperTX<-- sorry, Should have said CNC machine with 4th
White Tiger <-- forgive me but I thought a shell mill was a side cutting milling tool. Isn't it? Can I get a thin enough side cutting tool? I would think that for a .2 inch pitch I would have to almost get a saw blade. What size should it be? When I say size, I'm talking about the kerf size. What angle and size do you grind into your tool?
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03-18-2006, 10:37 PM #5
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you need a slitting saw and a holder here are some examples i found real quick on ebay
http://cgi.ebay.com.au/R8-SLITTING-S...QQcmdZViewItem
http://cgi.ebay.com/SLITTING-SAWS-3-...QQcmdZViewItem
the holder should work in your R8, but the saws are just the first ones I saw. You will need to find one that is the right thickness. you may want to get one that is under size because they tend to runout a couple thousands in my experince.
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